| Acronym | Meaning |
| HWS | Hazardous Waste Site |
| DPAV | Differential Pulse Adsorption Voltammetry |
| LEMA | Least Error Matrix Analysis |
| MSA | Mineralogical Society Of America |
| SCIT | Standing Committee On Information Technologies |
| ATW | Accelerator Transmutation Of Waste (for Radioactive Waste) |
| GESAMP | Group Of Experts On The Scientific Aspects Of Marine Pollution |
| BWO | Backward Wave Oscillator |
| XRR | X-ray Reflectometry |
| HSI | Heat Stress Index |